On the Gap Between Strict-Saddles and True Convexity: An $Ømega({\}log d)$ Lower Bound for Eigenvector Approximation. Simchowitz, M., Alaoui, A. E., & Recht, B. arxiv:1704.04548, 2017.
Paper bibtex @article{simchowitz_gap_2017,
title = {On the {Gap} {Between} {Strict}-{Saddles} and {True} {Convexity}: {An} \$Ømega({\textbackslash}log d)\$ {Lower} {Bound} for {Eigenvector} {Approximation}},
url = {http://arxiv.org/abs/1704.04548},
journal = {arxiv:1704.04548},
author = {Simchowitz, Max and Alaoui, Ahmed El and Recht, Benjamin},
year = {2017},
keywords = {/unread, ⛔ No DOI found},
}